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OSDOCS#4563: Add common terms for registry book

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This commit is contained in:
Servesha Dudhgaonkar
2022-11-15 18:38:55 +05:30
committed by openshift-cherrypick-robot
parent 56b9ba5d33
commit 19fbc347aa
2 changed files with 55 additions and 0 deletions
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modules/registry-common-terms.adoc Normal file
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// Module included in the following assemblies:
//
// * registry/index.adoc
:_content-type: REFERENCE
[id="openshift-registry-common-terms_{context}"]
= Common registry terms
This glossary defines the common terms that are used in the registry content.
container::
Lightweight and executable images that consist software and all its dependencies. Because containers virtualize the operating system, you can run containers in data center, a public or private cloud, or your local host.
Image Registry Operator::
The Image Registry Operator runs in the `openshift-image-registry` namespace, and manages the registry instance in that location.
image repository::
An image repository is a collection of related container images and tags identifying images.
mirror registry::
The mirror registry is a registry that holds the mirror of {product-title} images.
namespace::
A namespace isolates groups of resources within a single cluster.
{product-title} registry::
{product-title} registry is the registry provided by {product-title} to manage images.
pod::
The pod is the smallest logical unit in Kubernetes. A pod is comprised of one or more containers to run in a worker node.
private registry::
A registry is a server that implements the container image registry API. A private registry is a registry that requires authentication to allow users access its contents.
public registry::
A registry is a server that implements the container image registry API. A public registry is a registry that serves its contently publicly.
Quay.io::
A public Red Hat Quay Container Registry instance provided and maintained by Red Hat, that serves most of the container images and Operators to {product-title} clusters.
registry authentication::
To push and pull images to and from private image repositories, the registry needs to authenticate its users with credentials.
route::
Exposes a service to allow for network access to pods from users and applications outside the {product-title} instance.
scale down::
To decrease the number of replicas.
scale up::
To increase the number of replicas.
service::
A service exposes a running application on a set of pods.

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registry/index.adoc
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{product-title} can build images from your source code, deploy them, and manage their lifecycle. It provides an internal, integrated container image registry that can be deployed in your {product-title} environment to locally manage images. This overview contains reference information and links for registries commonly used with {product-title}, with a focus on the internal image registry.
include::modules/registry-common-terms.adoc[leveloffset=+1]
include::modules/registry-integrated-openshift-registry.adoc[leveloffset=+1]
[role="_additional-resources"]